praca_magisterska/main.py

import algorithms.dijkstra as dijkstra
import algorithms.a_star as a_star
import algorithms.bidirectional as bidirectional
import dataset.generate_graph as gen_graph
import dataset.generate_grid as gen_grid
import time
import tracemalloc
import os
import random as rand

if __name__ == '__main__':
    current_graph = []
    nodes_chosen = []
    dijkstra_time, dijkstra_memory, dijkstra_weight = [], [], []
    a_star_time, a_star_memory, a_star_weight = [], [], []
    bidirectional_time, bidirectional_memory, bidirectional_weight = [], [], []
    for i in range(1, len(os.listdir('dataset/graphs')) + 1):
        filename = "graph" + str(i)
        print(filename)
        N, A, A_b, w = gen_graph.read_graph_from_file(filename, path="dataset/graphs/")
        for j in range(3):
            current_graph.append(filename)
            start_node_index = rand.randint(0, len(N)-1)
            goal_node_index = rand.randint(0, len(N)-1)
            while goal_node_index == start_node_index:
                goal_node_index = rand.randint(0, len(N) - 1)
            start_node = None
            goal_node = None
            for index, node in enumerate(N):
                if index == goal_node_index:
                    goal_node = node
                if index == start_node_index:
                    start_node = node
                if start_node is not None and goal_node is not None:
                    break
            nodes_chosen.append((start_node, goal_node))
            startTime = time.time()
            tracemalloc.start()
            weight = dijkstra.dijkstra_algorithm(start_node, goal_node, N, A, w)[1]
            dijkstra_memory.append(tracemalloc.get_traced_memory()[1])
            dijkstra_time.append((time.time() - startTime))
            dijkstra_weight.append(weight)
            tracemalloc.stop()

            startTime = time.time()
            tracemalloc.start()
            weight = a_star.a_star_algorithm(start_node, goal_node, N, A, w, a_star.heuristic_cost)[1]
            a_star_memory.append(tracemalloc.get_traced_memory()[1])
            a_star_time.append((time.time() - startTime))
            a_star_weight.append(weight)
            tracemalloc.stop()

            startTime = time.time()
            tracemalloc.start()
            weight = bidirectional.bidirectional_algorithm(start_node, goal_node, N, A, A_b, w, a_star.heuristic_cost)[1]
            bidirectional_memory.append(tracemalloc.get_traced_memory()[1])
            bidirectional_time.append((time.time() - startTime))
            bidirectional_weight.append(weight)
            tracemalloc.stop()

    with open("output/graphs_times.out", "w") as file:
        file.write("\\begin{table}[]\n")
        file.write("\\begin{tabular}{|l|l|l|l|l|}\n")
        file.write("\\hline\n")
        file.write("nazwa grafu & (s, t) & Dijkstra & A* & Bi A* \\\\ \\hline\n")

    with open("output/graphs_memory.out", "w") as file:
        file.write("\\begin{table}[]\n")
        file.write("\\begin{tabular}{|l|l|l|l|l|}\n")
        file.write("\\hline\n")
        file.write("nazwa grafu & (s, t) & Dijkstra & A* & Bi A* \\\\ \\hline\n")

    with open("output/graph_weights.out", "w") as file:
        file.write("\\begin{table}[]\n")
        file.write("\\begin{tabular}{|l|l|l|l|l|}\n")
        file.write("\\hline\n")
        file.write("nazwa grafu & (s, t) & Dijkstra & A* & Bi A* \\\\ \\hline\n")

    with open("output/graphs_times.out", "a") as file:
        for j in range(len(dijkstra_time)):
            file.write(" " + current_graph[j] + " & " + str(nodes_chosen[j]) + " & " + str(round(dijkstra_time[j], 5))
                       + " & " + str(round(a_star_time[j], 5)) + " & " + str(round(bidirectional_time[j], 5)) +
                       " \\\\ \\hline\n")
        file.write("\\end{tabular}\n")
        file.write("\\end{table}\n")

    with open("output/graphs_memory.out", "a") as file:
        for j in range(len(dijkstra_time)):
            file.write(" " + current_graph[j] + " & " + str(nodes_chosen[j]) + " & " + str(dijkstra_memory[j])
                       + " & " + str(a_star_memory[j]) + " & " + str(bidirectional_memory[j]) + " \\\\ \\hline\n")
        file.write("\\end{tabular}\n")
        file.write("\\end{table}\n")

    with open("output/graph_weights.out", "a") as file:
        for j in range(len(dijkstra_time)):
            file.write(" " + current_graph[j] + " & " + str(nodes_chosen[j]) + " & " +
                       str(dijkstra_weight[j]) + " & "+ str(a_star_weight[j]) + " & " +
                       str(bidirectional_weight[j]) + " \\\\ \\hline\n")
        file.write("\\end{tabular}\n")
        file.write("\\end{table}\n")

    current_graph = []
    nodes_chosen = []
    dijkstra_time, dijkstra_memory, dijkstra_weight = [], [], []
    a_star_time, a_star_memory, a_star_weight = [], [], []
    bidirectional_time, bidirectional_memory, bidirectional_weight = [], [], []

    for i in range(1, len(os.listdir('dataset/grids')) + 1):
        filename = "grid" + str(i)
        print(filename)
        N, A, A_b, w = gen_grid.read_grid_graph_from_file(filename, path="dataset/grids/")
        for j in range(3):
            current_graph.append(filename)
            start_node_index = rand.randint(0, len(N)-1)
            goal_node_index = rand.randint(0, len(N)-1)
            while goal_node_index == start_node_index:
                goal_node_index = rand.randint(0, len(N) - 1)
            start_node = None
            goal_node = None
            for index, node in enumerate(N):
                if index == goal_node_index:
                    goal_node = node
                if index == start_node_index:
                    start_node = node
                if start_node is not None and goal_node is not None:
                    break
            nodes_chosen.append((start_node, goal_node))
            startTime = time.time()
            tracemalloc.start()
            weight = dijkstra.dijkstra_algorithm(start_node, goal_node, N, A, w)[1]
            dijkstra_memory.append(tracemalloc.get_traced_memory()[1])
            dijkstra_time.append((time.time() - startTime))
            dijkstra_weight.append(weight)
            tracemalloc.stop()

            startTime = time.time()
            tracemalloc.start()
            weight = a_star.a_star_algorithm(start_node, goal_node, N, A, w, a_star.heuristic_cost_manhattan)[1]
            a_star_memory.append(tracemalloc.get_traced_memory()[1])
            a_star_time.append((time.time() - startTime))
            a_star_weight.append(weight)
            tracemalloc.stop()

            startTime = time.time()
            tracemalloc.start()
            weight = bidirectional.bidirectional_algorithm(start_node, goal_node, N, A, A_b, w,
                                                           a_star.heuristic_cost_manhattan)[1]
            bidirectional_memory.append(tracemalloc.get_traced_memory()[1])
            bidirectional_time.append((time.time() - startTime))
            bidirectional_weight.append(weight)
            tracemalloc.stop()

    with open("output/grids_times.out", "w") as file:
        file.write("\\begin{table}[]\n")
        file.write("\\begin{tabular}{|l|l|l|l|l|}\n")
        file.write("\\hline\n")
        file.write("nazwa siatki & (s, t) & Dijkstra & A* & Bi A* \\\\ \\hline\n")

    with open("output/grids_memory.out", "w") as file:
        file.write("\\begin{table}[]\n")
        file.write("\\begin{tabular}{|l|l|l|l|l|}\n")
        file.write("\\hline\n")
        file.write("nazwa siatki & (s, t) & Dijkstra & A* & Bi A* \\\\ \\hline\n")

    with open("output/grids_weights.out", "w") as file:
        file.write("\\begin{table}[]\n")
        file.write("\\begin{tabular}{|l|l|l|l|l|}\n")
        file.write("\\hline\n")
        file.write("nazwa siatki & (s, t) & Dijkstra & A* & Bi A* \\\\ \\hline\n")

    with open("output/grids_times.out", "a") as file:
        for j in range(len(dijkstra_time)):
            file.write(
                " " + current_graph[j] +
                " & " + str(nodes_chosen[j]) + " & "
                + str(round(dijkstra_time[j], 5))
                + " & " + str(round(a_star_time[j], 5)) + " & " + str(round(bidirectional_time[j], 5)) +
                " \\\\ \\hline\n")
        file.write("\\end{tabular}\n")
        file.write("\\end{table}\n")

    with open("output/grids_memory.out", "a") as file:
        for j in range(len(dijkstra_time)):
            file.write(" " + current_graph[j] + " & " + str(nodes_chosen[j]) + " & " + str(dijkstra_memory[j])
                       + " & " + str(a_star_memory[j]) + " & " + str(bidirectional_memory[j]) + " \\\\ \\hline\n")
        file.write("\\end{tabular}\n")
        file.write("\\end{table}\n")

    with open("output/grids_weights.out", "a") as file:
        for j in range(len(dijkstra_time)):
            file.write(" " + current_graph[j] + " & " + str(nodes_chosen[j]) + " & " +
                       str(dijkstra_weight[j]) + " & "+ str(a_star_weight[j]) + " & " +
                       str(bidirectional_weight[j]) + " \\\\ \\hline\n")
        file.write("\\end{tabular}\n")
        file.write("\\end{table}\n")